/*
 * Copyright 2023 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package androidx.appactions.interaction.capabilities.core.impl

import androidx.annotation.RestrictTo
import androidx.appactions.interaction.proto.FulfillmentResponse

/**
 * A union type between FulfillmentResponse proto and ErrorStatusInternal value
 */
@RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
class FulfillmentResult(
    val fulfillmentResponse: FulfillmentResponse?,
    val errorStatus: ErrorStatusInternal?,
) {
    constructor(
        fulfillmentResponse: FulfillmentResponse,
    ) : this(fulfillmentResponse, null)

    constructor(
        errorStatus: ErrorStatusInternal,
    ) : this(null, errorStatus)

    fun applyToCallback(callback: CallbackInternal) {
        if (fulfillmentResponse != null) {
            callback.onSuccess(fulfillmentResponse)
        } else {
            callback.onError(errorStatus!!)
        }
    }
}
